Home / 1,070,997.20-1,609,120.20-805,276.70

Finding the Fourth Proportional to 1,070,997.20, 1,609,120.20 and 805,276.70

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Solution

The fourth proportional to 1,070,997.20, 1,609,120.20 and 805,276.70 is: 1,209,888.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,997.20 : 1,609,120.20 = 805,276.70 : x
  2. Step 2: Convert to fraction form
    1,070,997.20/1,609,120.20 = 805,276.70/x
  3. Step 3: Cross multiply
    1,070,997.20x = 1,609,120.20 × 805,276.70
  4. Step 4: Simplify right side
    1,070,997.20x = 1,295,787,004,559.34
  5. Step 5: Solve for x
    x = 1,295,787,004,559.34/1,070,997.20
  6. Step 6: Final answer
    x = 1,209,888.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.